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Python User Interface Developer

  • NYC, NY
  • Information Technology

Our client, a major bank in New York City, is looking for Senior Python UI Developer Consultant
(Angular, React, Javascript or etc.)

3-6 months initial contract with possibility for extensions and option to hire.
5 days on-site in NYC Office

** Must be authorized to work for ANY employer in US   - NO H1 Visa support for this role

Rate: $65-70/h on W2, possible C2C as well.

Python User Interfrace Developer Consultant

Job Description:
Duties & Responsibilities

  • Design, develop, and implement enterprise-grade RESTful API integrations supporting Structured Products and Derivatives businesses.
  • Build seamless connectivity between internal pricing, trading, and risk platforms and external vendor platforms including SIMON, Luma, HALO, and similar structured products ecosystems.
  • Collaborate with Front Office Trading, Sales, Quantitative Research, Product Control, and Technology teams to define integration requirements and deliver production-ready solutions.
  • Design and maintain API contracts, payload mappings, data transformation frameworks, and integration specifications.
  • Implement secure authentication and authorization mechanisms using OAuth2, API Keys, Bearer Tokens, and related security standards.
  • Develop scalable and resilient distributed systems capable of supporting high-volume trading and transaction workflows.
  • Implement comprehensive monitoring, logging, alerting, retry mechanisms, and error handling frameworks to ensure operational stability.
  • Support the complete trade lifecycle, including trade capture, pricing, execution, allocation, and downstream processing.
  • Participate in architecture reviews, code reviews, production support, and system optimization initiatives.
  • Work closely with infrastructure and DevOps teams to support deployment automation and platform reliability.
  • Produce technical documentation, integration specifications, and support procedures.

Required Skills
Technical Skills
  • Strong experience developing RESTful APIs and enterprise integration solutions.
  • Expertise with API design, implementation, and lifecycle management.
  • Experience with:
    • OAuth2 Authentication
    • Bearer Token Authentication
    • API Key Security Models
  • Strong knowledge of JSON, XML, and API payload design.
  • Experience implementing:
    • Error handling frameworks
    • Retry logic
    • Idempotency controls
    • Monitoring and observability solutions
  • Experience building distributed and event-driven systems.
  • Strong understanding of application security and secure communication protocols.
  • Experience working within cloud-enabled and enterprise application environments.
Capital Markets Experience
  • Strong knowledge of Structured Products.
  • Experience with Derivatives products and workflows.
  • Understanding of the end-to-end Trade Lifecycle.
  • Experience supporting front-office trading platforms.
  • Direct experience integrating with one or more vendor platforms such as:
    • SIMON
    • Luma
    • HALO
Soft Skills
  • Ability to work effectively with Trading, Sales, Quantitative Research, and Technology teams.
  • Strong communication and stakeholder management skills.
  • Proven ability to deliver solutions within fast-paced front-office environments.
  • Strong analytical and problem-solving capabilities.
Preferred Qualifications
  • Experience working within investment banking, broker-dealer, or capital markets environments.
  • Familiarity with structured products issuance, distribution, and lifecycle management platforms.
  • Experience with microservices architecture and cloud-native integration patterns.
  • Knowledge of market data, pricing systems, and risk platforms.
  • Understanding of regulatory and operational controls within financial services.

Education
  • Bachelor's degree in Computer Science, Information Technology, Engineering, Mathematics, Finance, or a related discipline.
  • Master's degree in a technical or quantitative field preferred.
  • Relevant industry certifications are a plus.


 


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https://brainsworkgroup.catsone.com/careers/index.php?m=portal&a=details&jobOrderID=16847198
Or email: igork@brainsworkgroup.com
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Keywords: Python Resful API OAuth2 Authentication Security Models Bearer Token JSON XML distributed simon luma halo